Abstract: A rack for providing a lower cost solution for manufacturing and shipping is disclosed. The rack, suitable for use in freezer or cooling components comprises a top element, a bottom element and side elements between said top and bottom elements, linearly arranged, wherein three of said elements are joined together at corresponding edges with a flexible hinge mechanism, a joining mechanism including a catching mechanism and a connecting mechanism, said joining mechanism retaining adjacent ones of said elements in a substantially perpendicular arrangement, each of said elements including at least one of said catching mechanism and said connecting mechanism and adjacent ones of said elements contain alternate ones of said catching mechanism and said connecting mechanism; and a back element linearly attached with a flexible hinge mechanism along an edge of each of said side elements, wherein said back element includes a snap fit retaining mechanism along a top end and a bottom end of each edge.

Abstract: A Microtiter plate centrifuge is disclosed. The centrifuge includes a motor assembly a shaft, extending vertically from the motor assembly, a rotor assembly, attached to the shaft, the rotor assembly including at least two slots, symmetrically positioned, with respect to the shaft and a channel corresponding to each of said slots. The channels extending from the rotor assembly are suitable for holding Microtiter plates in a vertical position. Also included is a bottom plate engaging a brake pad, which when engaged creates sufficient friction to halt rotation of the rotor assembly.

Abstract: A centrifuge rotor having a top surface, a bottom surface, side surface extending between the top and bottom surfaces, a centrally located bore for installing the rotor on a motor drive shaft of a centrifuge device, and at least one elongated aperture extending down and outwardly from the top surface of the rotor, the at least one elongated aperture for receiving a strip of interconnected centrifuge tubes. The rotor can also include an adapter for mounting the centrifuge tube strip in the at least one elongated aperture when the centrifuge tube strip is sized substantially smaller than the at least one elongated aperture.